Re: [PATCH] umem: fix up unplugging.

[Jens Axboe]

On 2012-04-04 16:20, Tao Guo wrote:
> Hi Andrew,
> 
> Thanks for your reply.
> 
> Yes, without this patch the umem driver just doesn't work.
> It is a bug introduced by commit 7eaceaccab5f40bbfda044629a6298616aeaed50.
> In that patch, Jens removed the whole mm_unplug_device() function,
> which used to be
> the trigger to make umem start to work.

Hmm indeed, that's isn't terribly useful. Why aren't we just calling
activate_card() on addition of a bio?

But your patch looks fine too, if it's tested it beats what we have.

-- 
Jens Axboe

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